membrane

/ˈmɛmbreɪn/
noun
  1. A thin, soft layer of tissue that covers or connects parts inside a living body.
    • Doctors examined the membrane around the patient's lungs.
    • A protective membrane covers the surface of the eye.
    • The eardrum is a thin membrane that helps you hear.
  2. A thin, flexible sheet or layer that separates two areas or materials, often used in science or industry.
    • The fuel cell uses a membrane to separate hydrogen and oxygen.
    • Engineers designed a membrane that lets air through but keeps water out.
    • A special membrane in the water filter removes tiny impurities.
  3. A thin layer of skin or tissue that forms the outer covering of a cell.
    • Scientists study how proteins move across the cell membrane.
    • Nutrients pass through the membrane to feed the cell.
    • The cell membrane controls what enters and leaves the cell.
What does "membrane" mean? | whatsthatwordmean | whatsthatwordmean